2 Samuel 3:1

3:1 However, the war was prolonged between the house of Saul and the house of David. David was becoming steadily stronger, while the house of Saul was becoming increasingly weaker.

2 Samuel 1:21

1:21 O mountains of Gilboa,

may there be no dew or rain on you, nor fields of grain offerings!

For it was there that the shield of warriors was defiled;

the shield of Saul lies neglected without oil.